Except if you spent a few years in a catholic church or a few hours enjoying the movie with Brad Pitt and Morgan Freeman, the seven deadly sins are often considered a notion of the past.

There is no such thing as safe technical rebreather diving without proper preparation. But preparation means much more than just checking equipment, going through dive planning and “What-ifs”. It is also a matter of long-term preparation.

Do you plan to explore a deep virgin wreck? Is it your dream to discover a unique cave system deep in the jungle? Have you heard about a Blue Hole miles off shore and want to give it a try? In any case, chances are you’ll be diving in a remote location where emergency medical systems are not much more frequent and up-to-date than traffic lights in the Himalayas.

How to deal with an unconscious rebreather diver? The title of this article was originally: “What to do if a convulsion happens”.

Discussions about diving are very often boring—always the same stories about numerous sharks dangerously close, strong current ripping a mask off or friendly dolphins playing during a deco stop. We

Most of the articles one can find about rebreathers deal with potential problems and limits of these wonderful pieces of kit. They give extensive information about oxygen sensors, scrubber duration, e

Nowadays, the name Yamashiro could have different meanings depending on where you come from. If you live in Los Angeles, a huge pagoda near Hollywood is the oldest structure in California and hosts a famous restaurant named Yamashiro or “Mountain palace” in Japanese. If you live in Kyoto, Japan, Yamashiro is the name of an area close-by. And for the older generation, it’s also the name of a never...